Trebel, George. [from old catalog] · New York, F. Tousey · leaf 52
each board, four cells may be used at a time; or, by using eightbinding posts, two cells may be used at a time. Care, however,must be taken to connect the carbons with the zincs, otherwisethere will be no current at all. Figure 6 is taken from a pho-tograph ot a battery of this kind, which I use… … The hooks, E, are fastened to both sides of the top board,and are turned out at right angles to the board, whenever it 46 HOW TO MAKE AND is raised, so as to rest on the top of the box, thus keeping theelements out of the fluid and saving them from wascage. Thisshould always be done. C represents,…
Electricity
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